每年清明节，市场上的菊花、康乃馨等鲜花热销，菊花的价格成倍上

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问题单项选择题

每年清明节，市场上的菊花、康乃馨等鲜花热销，菊花的价格成倍上涨。引起这种现象的直接原因是（）

A.劳动生产率的变化

B.供求关系的变化

C.季节的变化

D.气候的变化

答案

参考答案：B

补全对话，情景问答

从Ⅱ栏中找出与I栏相匹配的句子。

Ⅰ

( )1. He had an argument with his girlfriend yesterday.

( )2. If you want to get better grades in your exams．

( )3. She hasn't seen her parents for a long time.

( )4. If you need more money,

( )5. 1 was late for the meeting yesterday again.

Ⅱ

A. you should make notes in class carefully and work hard after class.

B. Maybe you should ask her to call them or write to them.

C. He should say sorry to her.

D. You should be on time next time. Don't be late again.

E. you should get a part-time job. Don't borrow money. You can find a better job in a big company too.

多项选择题

与乡村相比，现代城市的特性体现在（）。

A.以工业人口为主

B.以非农业人口为主

C.人口密度大

D.—定地域的政治、经济和文化中心

E.犯罪率低